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公开(公告)号：US20210012939A1
公开(公告)日：2021-01-14
申请号：US16979456
申请日：2019-03-06
发明人： Ryosuke KAMAKURA , Naoaki DANSHITA , Kohei DOI
摘要： To provide a solenoid, a solenoid valve, and a damper in which when the amount of current supplied to the solenoid is small, the thrust of the solenoid to bias an object in one direction can be made small, and at the same time, even when the solenoid is not energized, the object can be biased in the same direction as that of the thrust. The solenoid includes a coil, a first movable iron core and a second movable iron core that are attracted in a direction away from each other by energizing the coil, a coil spring that biases the first movable iron core toward the second movable iron core, and a leaf spring that restricts the approach of the first movable iron core and the second movable iron core.
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公开(公告)号：US20220252128A1
公开(公告)日：2022-08-11
申请号：US17626710
申请日：2020-09-02
申请人： KYB CORPORATION
发明人： Yoshifumi KOBAYASHI , Tomoyasu ABE , Yuusuke FURUTA , Naoaki DANSHITA , Kohei DOI , Masatoshi IYATANI
摘要： A solenoid includes a first fixed iron core and a second fixed iron core located on a first end side and a second end side of an axial direction of a coil, a first movable iron core and a second movable iron core located therebetween and attracted by the first fixed iron core and the second fixed iron core by passage of current through the coil, respectively, a spring that biases the first movable iron core to the second fixed iron core side, a leaf spring that regulates movement of the first movable iron core to the second fixed iron core side with respect to the second movable iron core, and a communication passage that causes the first fixed iron core side of the second movable iron core to communicate with the second fixed iron core side.
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公开(公告)号：US20220243839A1
公开(公告)日：2022-08-04
申请号：US17626720
申请日：2020-09-02
申请人： KYB CORPORATION
发明人： Yoshifumi KOBAYASHI , Tomoyasu ABE , Yuusuke FURUTA , Naoaki DANSHITA , Kohei DOI , Masatoshi IYATANI
摘要： A solenoid includes a first fixed iron core and a second fixed iron core located on a first end side and a second end side of an axial direction of a coil, a first movable iron core and a second movable iron core located therebetween and attracted by the first fixed iron core and the second fixed iron core by passage of current through the coil, respectively, a spring that biases the first movable iron core to the second fixed iron core side, and a leaf spring that regulates movement of the first movable iron core to the second fixed iron core side with respect to the second movable iron core. The movement of the first movable iron core in a direction orthogonal to the axial direction of the coil with respect to the first fixed iron core and the second fixed iron core is regulated.
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公开(公告)号：US20230282405A1
公开(公告)日：2023-09-07
申请号：US18018164
申请日：2021-08-17
申请人： KYB Corporation
发明人： Yoshifumi KOBAYASHI , Tomoyasu ABE , Toshihiro MORI , Naoaki DANSHITA , Masatoshi IYATANI , Kohei DOI
CPC分类号： H01F7/1607 , F16F9/465 , F16F9/516 , F16K31/0675 , H01F7/081 , F16F2222/12 , F16F2228/066 , F16F2230/18 , F16F2232/08
摘要： A solenoid includes: a coil; a first fixed iron core disposed on an axial first-end side of the coil; a second fixed iron core disposed on an axial second-end side of the coil with a gap from the first fixed iron core; a tubular first movable iron core disposed between the first fixed iron core and the second fixed iron core: a second movable iron core having a tubular shape with a bottom, slidably inserted into the first movable iron core, disposed between the first fixed iron core and the second fixed iron core with a bottom portion facing the second fixed iron core; and a spring interposed between the first movable iron core and the first fixed iron core, and pressing the first movable iron core to the second fixed iron core side.
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公开(公告)号：US20220254555A1
公开(公告)日：2022-08-11
申请号：US17626992
申请日：2020-09-02
申请人： KYB CORPORATION
发明人： Yoshifumi KOBAYASHI , Tomoyasu ABE , Yuusuke FURUTA , Naoaki DANSHITA , Kohei DOI , Masatoshi IYATANI
摘要： A solenoid includes a first fixed iron core and a second fixed iron core located on one axial end side and the other axial end side of a coil, a first movable member and a second movable member located between those fixed iron cores and configured to be attracted to the first fixed iron core and the second fixed iron core, respectively, by energization of the coil, a spring configured to bias the first movable member toward the second fixed iron core, and a first regulating portion made from a non-magnetic material, provided integrally with the first movable member or the second movable member, and configured to regulate movement of the first movable member toward the second fixed iron core with respect to the second movable member.
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公开(公告)号：US20220252127A1
公开(公告)日：2022-08-11
申请号：US17626011
申请日：2020-09-02
申请人： KYB CORPORATION
发明人： Yoshifumi KOBAYASHI , Tomoyasu ABE , Yuusuke FURUTA , Naoaki DANSHITA , Kohei DOI , Masatoshi IYATANI
摘要： A solenoid includes a first fixed iron core and a second fixed iron core located on a first end side and a second end side of an axial direction of a coil, a first movable iron core and a second movable iron core located therebetween and attracted by the first fixed iron core and the second fixed iron core by passage of current through the coil, respectively, a spring housed in a spring chamber formed on the first fixed iron core side of the first movable iron core and biasing the first movable iron core to the second fixed iron core side, a leaf spring that regulates movement of the first movable iron core to the second fixed iron core side with respect to the second movable iron core, and a throttle passage that causes the spring chamber to communicate with outside.
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